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Description
Surface-supply and dive bells greatly extend the time divers could stay down. (Image credit: OAR/National Undersea Research Program (NURP))
Credit
OAR/National Undersea Research Program (NURP)
Collection
Voyage to Inner Space
National Undersea Research Program (NURP) Collection
Undersea Technologies
Tethered Drivers
Keywords
Undersea Technologies
Tethered Divers